“Until now LCD’s have been interfaced with PC’s by either the Parallel or Serial ports. Parallel LCD’s require a significant amount of time and effort to prepare, and it isn’t hard to make a mistake in the process, leading to a painstaking troubleshooting period and the possibility of a damaged or destroyed LCD.
Serial LCD’s solve much of this drama by being far more “plug and play” than their parallel counterparts allowing the user to simply plug in a cable, install the software and enjoy the candy. USB on the other hand supplies power, data and true “plug and play” to the LCD.”

FULL STORY @ THEDDRZONE(http://www.theddrzone.com/review.asp?id=53&page=intro)